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Economics, Reform & Sustainability

design

Advising government, industry and investors on policy, reform and regulation— enabling decisions that deliver economic growth, social progress and sustainable impact.

Our ERS Leaders

Delivering impact through sector expertise and evidence-based analysis

Rennie’s Economics, Reform & Sustainability team tackles complex challenges across the energy, and broader economic and social, transition—enabling evidence-based decisions in dynamic policy, regulatory and sustainability environments.

We support clients across the full policy and reform lifecycle—from insight and design to implementation—combining economic insight, regulatory and reform expertise, and sustainability know-how to deliver lasting impact.

OUR ECONOMICS, REFORM & SUSTAINABILITY EXPERTISE

Economics & Policy

We help clients make better policy and business decisions by delivering rigorous economic analysis, bespoke modelling, and clear, evidence-based advice. Our work identifies impacts, risks and opportunities, and shapes pathways that create enduring economic, social and sustainable value.

  • Economic modelling and forecasting
  • Policy analysis , modelling and design
  • Consumer choice analysis and modelling
  • Economic contribution and impact analysis
  • Cost benefit analysis to support business cases
  • Policy, program and project evaluation
  • Independent reviews and expert reports
Regulation & Reform

We support clients to design effective regulatory frameworks, adapt to evolving regulatory environments, and deliver targeted reform solutions across energy, social and economic systems. Our work enables policy clarity, stakeholder alignment and measurable outcomes that drive equitable, reliable and sustainable impact.

  • Strategic governance and regulatory advice
  • Reform impact assessment and implementation
  • Regulatory due diligence and compliance assessments
  • Economic regulation, pricing and regulatory proposals
  • Regulatory and market reviews and design
  • Legislative and regulatory drafting
  • Review and design of social programs, services and partnerships
  • Social impact evaluation and reporting
Sustainability & Decarbonisation

We help clients respond to sustainability and decarbonisation imperatives by developing ESG strategies, measuring emissions, and modelling transition pathways. Our advice supports credible action, informed investment, and transparent reporting aligned with stakeholder expectations and regulatory requirements.

  • Sustainability / ESG materiality assessment
  • Sustainability / ESG strategy, governance and targets
  • Climate scenario analysis and risk assessment
  • Reporting readiness and implementation
  • GHG measurement and certification
  • Decarbonisation modelling and roadmaps
  • Responsible investment strategy
  • Sustainability / ESG due diligence

Ready to navigate complexity with clarity? Partner with us to turn policy, regulatory and sustainability challenges into opportunities — and shape a more resilient, impactful future.

Get in touch

Our Economics, Reform & Sustainability expertise in focus

Unlocking $4.6 billion in value through lithium circular economy innovation

Western Australia’s lithium processing industry, while globally significant and contributing $14.4 billion to the state’s economy, was facing critical headwinds. Operating at just 21% capacity due to low global pricing, the industry was at risk of losing its competitive edge. With lithium processors managing costly waste streams of De-lithiated Beta Spodumene (DBS) at up to $300 per tonne, and the construction industry simultaneously facing pressure to reduce emissions and material costs, the WA Government needed an innovative solution to strengthen both sectors while advancing the state’s circular economy objectives.

View case study

Human Services State Department: Human-Centred Service Design for a new multi-agency Family and Domestic Violence service offering

Co-designing an integrated multi-agency information-sharing model to improve family and domestic violence responses and reduce harm in the community.

View Case Study

Decarbonisation roadmap and business casing

The client engaged Rennie to develop a scope 1 and 2 decarbonisation roadmap for their Australian assets, with an accompanying framework for prioritising initiatives, decarbonisation model, and business case to meet their Safeguard Mechanism regulatory requirements and public decarbonisation commitments.

View Case Study

Meet our Economics, Reform and Sustainability leaders

Experts in economics, regulation and sustainability, we guide clients through reform to deliver evidence-based and future-focused solutions.

View all advisers

Eamon McGinn

Executive Director, Service Line Lead, Economics Reform and Sustainability

Sydney

Simone Rennie

Chief Executive Officer

Brisbane

Emily Readhead

Executive Director, Economics Reform and Sustainability

Perth

Georgine Roodenrys

Executive Director, Economics Reform and Sustainability

Brisbane

Greg Ruthven

Executive Director, Economics Reform and Sustainability

Perth

Nicole Meacock

Director, Economics Reform & Sustainability

Sydney

ERS Insights

Further reading
Insights Article

From Complexity to Clarity: Six Essentials for Impactful Reporting Preparation Under Australia’s Mandatory Climate Disclosure Regime

Insights Article

Key Changes to Delivery Framework for the Integrated System Plan Reflect Challenges for Australia’s East Coast Energy System

Insights Article

Regulatory Due Diligence: Are You Prepared for Your Next Transaction?

Time to redesign?

Contact the Economic, Reform and Sustainability Team